Add 18/5 and 84/63
1st number: 3 3/5, 2nd number: 1 21/63
18/5 + 84/63 is 74/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
18/5 = 18 × 63/5 × 63 = 1134/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
84/63 = 84 × 5/63 × 5 = 420/315 - Add the two like fractions:
1134/315 + 420/315 = 1134 + 420/315 = 1554/315 - 1554/315 simplified gives 74/15
- So, 18/5 + 84/63 = 74/15
In mixed form: 414/15
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